Every reviewer at What Hi-Fi? has their own carefully curated list of songs they use to test stereo speakers, spanning all genres and musical tastes. This is crucial for testing speakers, especially if they're new: while we like to keep up with new releases as much as the next melomaniac, we know it's also best to use songs you know really well to hear what the speakers are capable of.
By that token, you'll probably also have your own playlists for testing the various facets of audio performance, but what's the harm in adding a few more tracks?
